A buddy of mine has a 88 gt with a 150 wet shot that he has not sprayed yet. How many degrees should i retard the timing and should i go with a colder range spark plug? any other info would be much appreciated.

John.

 

2 degrees for the plugs, and i think its like 2 degrees of tiiming for every 100 horses

 

so prob around 3 degrees of timing?

 

I ran autolite 23's and went 2 degrees for every 50hp shot (about 6 degrees retard for you) which of course depends where you're running your timing now. I also suggest an adjustable fpr, it's good to run rich!!

 

so, what plugs should i run than?

 

Like I said, I ran autolite 23's had a lot of luck.

 

same here...........

 

ok, about the timing... what would be a good spot to set it at to start tuning it?

 

i'd say 14 thats where i started

 

wouldnt an msd ignition box be a wise investment with that big a shot of nitrous?